Table 2 Parameters of the modes of interest used for the calculation of wavelength for different Lamb modes in the Material Contrast lens.
From: Lensing in the Ultrasonic Domain using Negative Refraction Induced by Material Contrast
Mode | Material | Phase Velocity (m/s) | Wavelength (mm) |
|---|---|---|---|
S2 | Aluminium | 52360 | 48 |
S2b | Molybdenum | 52360 | 48 |
S1 | Molybdenum | 7730 | 7.1 |
